Default IP: 192.168.42.1 - you can use ISDN modem to dial into remote systems- try last few numbers of ranges eg. xxxxxxxx99 or xxxxxxxx98

Administrator

Administrator (default) - Older versions use ""password""

Downlaod Avaya management software from Avaya.com (free download) if you are on the same network as the phone system; open up manger and it will look for broadcasts from the system; select it and try the default u/p